rail flaw detector

例句：

1. 1. The railway company usesa rail flaw detector to inspect thetracks regularly.
   铁路公司定期使用一种铁轨缺陷探测器来检查轨道。
2. 2. The engineer usedthe rail flaw detector to detect anypotential defects in the track.
   工程师使用铁轨缺陷探测器来检测轨道中可能存在的任何潜在缺陷。
3. 3. The rail flaw detector helpedthe maintenance crew quickly identify and repair thedamaged section of the track.
   铁轨缺陷探测器帮助维修团队迅速识别并修复了轨道的损坏部分。